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i never wanted to be cost effective. i wanted to know how good these coolers perform on the complete build using them as a cooling option for the COB's & the LED's. also i can "dimm" the waterpumps and the fans down if needed ( with the driver ) to about 25-30 W. there isnt much less cooling...

well after this build i could clearly say that using the AiO-watercooling solution i found works very good for a CXB3590 driven with 1400ma constant current for about 4 hours in a non ventilated room. once i have done the testrun in my friends room i can tell more about the performance, but for...

good luck fixing that COB on that heatsink without damaging or glueing it. ( by glueing i mean thermal paste with 2 components that harden out )

well you dont need to add 12 different monos haha, also i dont think u want any wavelength to be dimmable. so it would be one extra driver and some more wire and its done. this goes quicker than u think

Sure i will keep u updated about the performance. the only hard part about building it was to make all that monos dimmable haha

well i have to say that at first i thought the same you are guessing here, that adding the mono wavelengths doesnt change the final spectrum that much but after some testing u see a more than expectable spectrum change. It is not like the spectrum changes to mainly that mono u added but it gets...

yeah you are right it got some weigth. thats one of the things i will optimize after the first testrun in my friends room.

well i dont want to prove anything with these monos, i just want to do some testings with different wavelengths. the watercooling gets the heat away from the COB's and the passive heatsinks with the airflow of the of the fans attached to the radiators. the air gets pumped against the plate...

well i dont grow myself but i got a friend and he finishing his grow at the moment and as soon as the room is empty we will get this light there and start a journal with some testings :D

@Growmau5 : you are awesome and inspired me a lot. Just wanted to say thank you!

well i spent about 1600 bucks on it but i planned this so long and wanted to see it finished so it was worth every bit :D

hello, could you plese delete this thread i made? http://www.rollitup.org/t/diy-watercooled-build-5x-cob-plus-12-band-mono-color-all-dimmable.935400/ it was my first thread at all and it was bad presented. thanks

All COB's: All COB's from bottom: Complete build at 100% from above: Complete build from bottom: So please tell me what u think about and/or ask questions. Greets L0wbob

5x 590nm 5x 600nm 5x 630nm 5x 660nm 5x 740nm 5x all 400nm to 840nm All monos: All monos from bottom: continue in next post

Hello all thread-viewers, i failed to create a good post the first time so i will post this again but better :) my idea was to build a DIY-LED with COB's and make it kinda special. So i decided to watercool the COB's which some of u alrdy guessed, get pretty warm. Since the COB's are more...

Very nice, need to say that u got some tricky ideas. Also using the warm water from the COB's is a very nice idea if u got the space and the possebility to set it up for an easy use. Making that hole in the heatsink to let it cool better is an idea i also played with a lot cause u dont have...